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Τετάρτη 27 Ιουνίου 2018

The development of a two new computer adaptive tests to evaluate feelings of loss in caregivers of individuals with traumatic brain injury: TBI-CareQOL Feelings of Loss-Self and Feelings of Loss-Person with Traumatic Brain Injury

Publication date: Available online 26 June 2018
Source:Archives of Physical Medicine and Rehabilitation
Author(s): Noelle E. Carlozzi, Michael A. Kallen, Phillip A. Ianni, Angelle M. Sander, Elizabeth A. Hahn, Rael T. Lange, Tracey A. Brickell, Louis M. French, Jennifer A. Miner, Robin Hanks
ObjectiveTo develop new patient-reported outcome (PRO) measures to better understand feelings of loss in caregivers of individuals with traumatic brain injury (TBI).DesignCross-sectional survey study.SettingThree TBI Model Systems rehabilitation hospitals, an academic medical center, and a military medical treatment facility.ParticipantsFive-hundred-sixty caregivers of civilians with TBI (n=344) or service members/veterans (SMVs) with TBI (n=216)InterventionsNot applicable.Main Outcome MeasuresTBI-CareQOL Feelings of Loss-Self and TBI-CareQOL Feelings of Loss-Person with Traumatic Brain Injury Item banksResultsWhile the initial exploratory and confirmatory factor analyses of the Feelings of Loss item pool (98 items) potentially supported a unidimensional set of items, further analysis indicated two different factors: Feelings of Loss-Self (43 items) and Feelings of Loss-Person with TBI (20 items). For Feelings of Loss-Self, an additional 13 items were deleted due to item-response theory based item misfit; the remaining 30 items had good overall model fit (Confirmatory Fit Index [CFI]=0.96, Tucker Lewis Index [TLI]=.96, Root Mean Squared Error [RMSEA]=.10). For Feelings of Loss-Other, 1 additional item was deleted due to an associated high correlated error modification index value; the final 19 items evidenced good overall model fit (CFI=0.97, TLI=.97, RMSEA=.095). The final item banks were developed to be administered as either a CAT or a short-form. Clinical experts approved the content of the 6-item short forms of the two measures (three-week test-retest was r=.87 for Feelings of Loss-Self and r=.85 for Feelings of Loss-Person with TBI).ConclusionsThe findings from this study resulted in the development of two new PROs to assess feelings of loss in caregivers of individuals with TBI; TBI-CareQOL Feelings of Loss-Self and TBI-CareQOL Feelings of Loss-Person with TBI. Good psychometric properties were established and a short-form was developed for ease of use in clinical situations. Additional research is needed to determine concurrent and predictive validity of these measures in the psychological treatment of those caring for persons with TBI.



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